Argentipallium from the Latin 'argenteus' meaning silver and 'pallium' meaning mantle; a reference to the silvery indumentum that covers leaves and branches of some species. Obtusifolium from the Latin 'obtusus' meaning blunt and 'folium' meaning leaf; referring to the species blunt-pointed leaves.

Distribution:

Found in the southern part of South Australia from Eyre Peninsula to the lower South-east., growing in mallee heath on deep sandy soils. Also found in New South Wales, Victoria and Tasmania.

Status:

Native. Common in South Australia. Uncommon in New South Wales. Common in the other states.

Dark brown oblong seed to 1 mm long covered with scattered crystal like hairs, with pappus to 3 mm long.

Embryo type:

Spatulate fully developed.

Seed collecting:

Collect mature daisy heads that are starting to dry off, should easily come off by hand.

Seed cleaning:

Place the heads in a tray for a week to dry. Then rub the heads gently with your hands to dislodge the seeds. Viable seeds will be round and hard. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.

Seed viability:

From one collection, the seed viability was high, at 90%.

Seed germination:

Seeds are non-dormant, viable seed should germinate readily.

Seeds stored:

Location

No. of seeds(weight grams)

Numberof plants

Datecollected

Collection numberCollection location

Datestored

% Viability

Storagetemperature

BGA MSB

16450 (3.62 g)16450 (3.62 g)

100+

23-Oct-2006

DJD616South Eastern

1-Aug-2007

90%

-18°C

Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.Number of plants: This is the number of plants from which the seeds were collected.Collection location: The Herbarium of South Australia's region name.% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.